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aksik [14]
3 years ago
7

Why do sharks not have swim bladder

Mathematics
1 answer:
Blababa [14]3 years ago
4 0
Unlike bony fish, sharks do not have gas-filled swim bladders for buoyancy. Instead, sharks rely on a large liver filled with oil that contains squalene, and their cartilage, which is about half the normal density of bone.
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